1.a consumer organization wants to know if there is a difference in
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1.a consumer organization wants to know if there is a difference in
1.A consumer organization wants to know if there is a difference in the price of a particular toy at three different types of stores. The price of the toy was checked in a sample of five discount toy stores, five variety stores, and five department stores. The results are shown below.
Discount toy
Variety
Department
$12
15
19
13
17
17
14
14
16
12
18
20
15
17
19
An ANOVA was run and the results are shown below. At the .05 significance level, is there a difference in the mean prices between the three stores? What is the p-value? Explain why an ANOVA was used to analyze this problem.
One factor ANOVA
Mean
n
Std. Dev
Discount Toys
13.2
5
1.3
Variety
16.2
5
1.64
Department
18.2
5
1.64
Total
15.9
15
2.56
ANOVA table
Source
SS
df
MS
F
p-value
Treatment
63.33
2
31.667
13.38
0.0009
Error
28.4
12
2.367
Total
91.73
14
"96% of our customers have reported a 90% and above score. You might want to place an order with us."
